Lg Display Co., Ltd.

ChangHeon Kang

HoYoung Lee

Jungmin Lee

SangHun Yoon

Jung-Min Lee

YongMin Ha

Hanwook Hwang

Sanghun Yoon

JunHo Bong

Janghoon Song

Junho Yeo

SeokHee Jeong

Hasumi Taro

Takasugi Shinji

Embodiments of the disclosure relate to a display device. Specifically, there is provided a display device with display quality enhanced by comprising a substrate, a display area where one or more subpixels are disposed, each of the one or more subpixels including a light emitting element positioned on the substrate and at least one transistor for driving the light emitting element, an open area obtained by removing at least a portion of the substrate in an area surrounded by the display area, and a planarization layer positioned to overlap the display area and the open area and positioned on the light emitting element.

Display device

Provided is a display device including: a substrate including an active area, a non-active area, a bending area and a pad area; the active area including pixels to display images, each pixel including an organic light emitting layer and a thin-film transistor (TFT); the non-active area located between the active area and the bending area; and the bending area configured to be bent and located between the non-active area and the pad area, the bending area including a signal line and a power line that are made of a same material as a source electrode or a drain electrode of the TFT in the active area.

A display device can include a flexible substrate including an active area, a bending area, and an area outside the bending area, the bending area configured to be bent flexibly; a plurality of pixels to display an image in the active area, each of the plurality of pixels including an organic light emitting diode (OLED); at least one signal line and at least one power line disposed on the flexible first substrate, the at least one signal line and the at least one power ling being disposed on a same layer in the bending area; and a planarization layer disposed in the active area and covering the at least one signal line and the at least one power line disposed on the same layer in the bending area, wherein the OLEDs in the plurality of pixels are disposed on the planarization layer.

Flexible display device and method for fabricating the same

The present disclosure provides a display device including a display panel and a scan driver. The display panel displays an image. The scan driver includes a scan signal generation circuit disposed on one side of the display panel, and an emission signal generation circuit disposed on the other side of the display panel. The emission signal generation circuit outputs an emission signal having at least two Logic High sections in response to an external clock signal and a first scan signal output from the scan signal generation circuit.

Scan driver, display device, and method of driving display device

An organic light emitting diode display device and a method for driving the same are provided. The organic light emitting diode display device includes an organic light emitting diode disposed on each of a plurality of pixels, and a pixel driving circuit configured to drive the organic light emitting diode.

Organic light emitting diode display device and method for driving the same

An apparatus comprising a circuit configured to control anode voltages of one or more adjacent pixel rows, which are adjacent to an Nth pixel row, to achieve minimal voltage differences between said Nth pixel row and said adjacent pixel rows to suppress luminance drops in an OLED display by minimizing leakage currents being introduced from adjacent pixel rows.

Organic light emitting diode display device including pixel driving circuit

Provided is an OLED display device that is in a black mode in which a threshold voltage of a driving TFT need not accurately be sensed. Further, a low voltage value of zero or less is constantly and continuously supplied to a data line during an initialization period, a sampling period, and a programming period in a pixel. As a result, when the pixel is driven in the black mode, a reference voltage and a data voltage having different values are not alternately supplied to the data line to minimize power consumption.

Organic light emitting diode display device

Provided is a flexible display device including: a display region including pixels to display images, each pixel including an organic light emitting diode (OLED) configured to receive a signal from a signal line and power from a power line to display the images; a non-display region outside the display region where images are not to be displayed, the non-display region including: a circuit mount region including therein a driving circuit configured to supply the signal through the signal line and the power through the power line to each pixel; and a bending region formed between the display region and the circuit mount region and configured to be bent flexibly, wherein the signal line and the power line are formed on a same layer in the bending region.

A shift register includes a plurality of stages each having a pull-up transistor, a pull-down transistor and a flip-flop, the plurality of stages outputting high level output voltages sequentially for one horizontal period in response to at least one clock signal and a start signal, and an AH control circuit connected to input terminals and output terminals of the plurality of stages to control output signals of all the stages into a high level for one frame.

Shift register, driving method thereof and flat panel display device

Disclosed in an organic light emitting diode display device including: a driving element for controlling a driving current, a first TFT that switches a current path between the first node and the second node, a second TFT that switches a current path between a data line and a third node, a third TFT that switches a current path between the third node and a reference voltage input terminal, a fourth TFT that switches a current path between the second node and a fourth node, an organic light emitting diode connected between the fourth node and a ground voltage input terminal to emit a light by the driving current, a storage capacitor connected between the first node and the third node, and a variable capacitor connected between the first node and the first gate line and having a capacity changed when the first TFT is turned on and off.

Growing community of inventors

Paju-si, South Korea

ChangHeon Kang